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(No Model.)

C. SPAVENTA.

ADVBRTISINGULOGK. N0. 562,430. 'Patented June 23, 1896.

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ANDREW B GRAHAM PHGYOUIHQWASMINGmuC UNITED STATES PATENT @Fries cAMiLLo sPAvENrA,`oF New YORK, N. Y.

ADVERTISING-CLOCK.

SPECIFICATION forming part of Letters Patent No. 562,430, dated June 23, 1896.

Application filed June 28, 1895. Serial No. 554,389. (No model.)

To a/ZZ whom it may concern:

Be it known that I, CAMILLO SPAvnNrA, of New York, in the county and State of New York, have invented certain new and useful Improvements in Advertisinglocks, of which the following is a specification.

My invention relates to a clock; with which there is combined a traveling ribbon or tape supporting printed matter, designs, dac., of an advertising nature, the ribbon or tape being alternately wound and unwound from reels or drums by the running mechanism of the clock.

Iwill describe an advertising-clock embodying my improvement, and then point out the novel features in the claims. Y

In the accompanying drawings, Figure l is a front elevation of an advertising-clock embodying my improvement. Fig. 2 is also a front elevation of the same, a portion of the casing as well as the ribbon or tape being removed. Fig. 3 is a side elevation of the clock, a portion of the casing being removed to show the interior of the clock.

Similar letters of reference designate corresponding parts in all figures.

A designates the casing of the clock, which is provided with an opening a, closed by a glass plate a. At the rear of this plate there is arranged a traveling tape or ribbon B, of paper, cloth, or other iieXible material, upon which there is arranged printed matter or de- 4vices of an advertising nature visible through the plate a'. At one end the ribbon B is Wound upon a drum C, while at the opposite end it is Wound upon a second drum C, suitable guide-pulleys c o' being arranged to deflect the ribbon and cause the same to move past the glass a substantially parallel thereto. The drums C and C move alternately first in one direction and then in the opposite, the two drums constituting a delivery and a receivin g drum for a motion of the ribbon in one direction, their functions being reversed for a movement in the opposite direction. These motions of the drums are derived from the clock mechanism as follows:

D is a barrel holding the driving-spring of the clock and may be of the ordinary construction. A gear-wheel d is affixed to the shaft of the drum D, or instead of a separate wheel,the drum maybe provided with a iiange and the teeth constituting the gear may be formed in this iiange.

A Worm E is driven from the gear-wheel d through the medium of a gear-wheel @,secured to the worm-shaft, and an intermediate gear E', meshing with the gear-vvheels e and d.

F is a Worm-wheel driven by the Worm E and itself driving a gearwheel F', secured to a shaft f. To the shaft f there is also secured a gear-wheel G, which for a part of its periphery is devoid of teeth, the radius of this portion of the wheel being less than the radius of the curve passing through the ends of the teeth.

A small gear-wheel I-I is secured to the shaft of the drum C, being so arranged thereon as to engage with the teeth of the wheel G, while a small gear-Wheel II is also secured to the shaft of the drum C', this latter gearbeing driven by the teeth of the wheel G through the intervention of an intermediate gear 7L.

The portion of the periphery of the wheel G on which the teeth are formed is sufficiently short to permit the `disengagement of one Wheel II before the second gear h comes into engagement. It is evident from this construction that as the wheel G is rotated by the driving mechanism of the clock, first one drum and then the other will be driven, the ribbon B unwindin g from one drum and winding up on the other, and having a motion first in one direction and then in the opposite.

Having described my invention, what I consider as new, and desire to secure by Letters Patent, is-

l. The combination with a suitable motor, as clockworlnof a shaft driven thereby, drums serving alternately as delivery and take-up drums for a traveling ribbon, and a mutilated gear affixed to the mentioned shaft and driving through interposed gearing, for a part of its rotation, first one drum and for the re* mainder of its rotation, the other drum, to roll up and unroll,automatically,the ribbon on and off the drums, substantially as specified.

2. The combination with a clock mechanism of the shaft f driven therefrom, the mutilated gear G secured to said shaft, the drum IOO ChaVingagearI-I meshingwith the mutilated In testimony whereof I have signed my gear, the drum C having a gear II', the inname to this speeiiieation in the presence of termediztte gear 77, transferring motion from two subscribing Witnesses. the mutilated gear to the gear II', the travel- 5 ing ribbon B, embracing at opposite ends, XVitnesseS:

said drums, and the deiieeting-pulleys c, c, PIERSON L. NVELLS, substantially as specified.

CAMILLO SPAVENTA.

CAROLINE E. DAVIDSON 

